{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1538890741",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb63bb9ead85337c7618a6a88fead660d1cbea8e3fee9bdea5287fab1afa46d64",
    "signature": "0xb190076ff7a591ee30be82c30fdd4923c6e3b2a15ac25fbdb0e8232fee79ac9e57155b15df1b18cd9ad095a6109ef8ecf29cbc8f1fc11b62c848c87577e8cf741c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}